Hayward GMX600F genuine OEM o-ring, 6-3/4 in. inside diameterHayward OEM O-Ring, 6-3/4" ID, GMX600F In stock$2699
Hayward GMX600F genuine OEM o-ring, 6-3/4 in. inside diameter
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Hayward OEM O-Ring, 6-3/4" ID, GMX600F

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$2699
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Quick overview

  • Genuine Hayward The OEM GMX600F rather than an aftermarket ring, so size and material match the original.
  • 6-3/4 in. by 3/16 in. Inside diameter 6-3/4 in. with a 3/16 in. cross section.
  • Fits the Pro Series S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2 and S270T top mount sand filters, plus the ProSeries Plus.
  • Other Hayward filters Also fits the S190T, S245T, GM195, GM225, GM245, VL210 and Swim Pro sand filters.
  • Pump use too Hayward lists the same ring for the Max-Flo II SP2700X, Max-Flo XL SP2300X, Max-Flo XE, Max-Flo VS, Max-Flo VS500 Omni and 2007 and earlier NorthStar SP4000 and SP4000X pumps.
  • Lube before fitting A film of silicone o-ring lubricant helps the ring seat and keeps it from pinching under the clamp.
Full description and specifications ↓

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Product details

The Hayward GMX600F is the genuine 6-3/4 in. inside diameter o-ring used across most of the Hayward Pro Series sand filter range and on several Hayward pumps. It is 3/16 in. thick. On the sand filters it is the tank o-ring, the seal between the top mount multiport valve and the tank flange that the two piece clamp compresses.

Where it fits

Hayward lists it for the ProSeries and ProSeries Plus sand filters, including the S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2 and S270T top mount models, plus the S190T, S245T, GM195, GM225 and GM245, the VL210 series and the Swim Pro filters. The same ring is specified for the Max-Flo II SP2700X, Max-Flo XL SP2300X, Max-Flo XE, Max-Flo VS and Max-Flo VS500 Omni pumps and for NorthStar SP4000 and SP4000X pumps built in 2007 or earlier.

When to replace it

Any time the valve is lifted off the tank, and whenever water weeps at the clamp. A ring that has taken a set will not reseal reliably. Clean both mating faces, apply a light film of silicone o-ring lubricant and tighten the clamp evenly.

Specifications
Brand Hayward
Manufacturer part number GMX600F
Also listed as GM-600-F
UPC 610377027151
Inside diameter 6-3/4 in.
Thickness 3/16 in.
Fits filters Hayward ProSeries and ProSeries Plus sand filters: S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2, S270T; S190T, S245T, GM195, GM225, GM245; VL210 series; Swim Pro
Fits pumps Hayward NorthStar SP4000 and SP4000X (2007 and earlier), Max-Flo VS, Max-Flo VS500 Omni, Max-Flo XL SP2300X, Max-Flo XE, Max-Flo II SP2700X
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which o-ring is this on a Pro Series sand filter?
It is the tank o-ring that seals the top mount valve to the filter tank. Replace it whenever the valve comes off, since a flattened ring is the usual cause of a leak at the clamp.
Will it fit my S210T or S244T?
Yes. The GMX600F is listed for the S140T, S144T, S164T, S166T, S180T, S210T, S220T, S220T2, S230T, S244T, S244T2 and S270T, as well as the ProSeries Plus, S190T, S245T, GM195, GM225, GM245, VL210 and Swim Pro filters.
Is GM-600-F the same part?
Yes. GM-600-F is the older way of writing GMX600F.
Do I need lubricant?
It helps. A thin coat of silicone based o-ring lubricant lets the ring seat evenly and stops it rolling or pinching as the clamp is tightened. Do not use petroleum grease.
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